720 lines
33 KiB
C
720 lines
33 KiB
C
/* Copyright (c) 2014, Cisco Systems, INC
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Written by XiangMingZhu WeiZhou MinPeng YanWang
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <xmmintrin.h>
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#include <emmintrin.h>
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#include <smmintrin.h>
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#include "main.h"
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#include "celt/x86/x86cpu.h"
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#include "stack_alloc.h"
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static OPUS_INLINE void silk_nsq_scale_states_sse4_1(
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const silk_encoder_state *psEncC, /* I Encoder State */
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silk_nsq_state *NSQ, /* I/O NSQ state */
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const opus_int32 x_Q3[], /* I input in Q3 */
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opus_int32 x_sc_Q10[], /* O input scaled with 1/Gain */
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const opus_int16 sLTP[], /* I re-whitened LTP state in Q0 */
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opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */
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opus_int subfr, /* I subframe number */
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const opus_int LTP_scale_Q14, /* I */
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const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */
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const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */
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const opus_int signal_type /* I Signal type */
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);
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static OPUS_INLINE void silk_noise_shape_quantizer_10_16_sse4_1(
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silk_nsq_state *NSQ, /* I/O NSQ state */
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opus_int signalType, /* I Signal type */
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const opus_int32 x_sc_Q10[], /* I */
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opus_int8 pulses[], /* O */
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opus_int16 xq[], /* O */
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opus_int32 sLTP_Q15[], /* I/O LTP state */
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const opus_int16 a_Q12[], /* I Short term prediction coefs */
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const opus_int16 b_Q14[], /* I Long term prediction coefs */
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const opus_int16 AR_shp_Q13[], /* I Noise shaping AR coefs */
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opus_int lag, /* I Pitch lag */
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opus_int32 HarmShapeFIRPacked_Q14, /* I */
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opus_int Tilt_Q14, /* I Spectral tilt */
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opus_int32 LF_shp_Q14, /* I */
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opus_int32 Gain_Q16, /* I */
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opus_int offset_Q10, /* I */
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opus_int length, /* I Input length */
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opus_int32 table[][4] /* I */
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);
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void silk_NSQ_sse4_1(
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const silk_encoder_state *psEncC, /* I Encoder State */
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silk_nsq_state *NSQ, /* I/O NSQ state */
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SideInfoIndices *psIndices, /* I/O Quantization Indices */
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const opus_int32 x_Q3[], /* I Prefiltered input signal */
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opus_int8 pulses[], /* O Quantized pulse signal */
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const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefs */
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const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */
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const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */
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const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */
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const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */
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const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */
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const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */
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const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */
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const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */
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const opus_int LTP_scale_Q14 /* I LTP state scaling */
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)
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{
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opus_int k, lag, start_idx, LSF_interpolation_flag;
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const opus_int16 *A_Q12, *B_Q14, *AR_shp_Q13;
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opus_int16 *pxq;
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VARDECL( opus_int32, sLTP_Q15 );
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VARDECL( opus_int16, sLTP );
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opus_int32 HarmShapeFIRPacked_Q14;
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opus_int offset_Q10;
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VARDECL( opus_int32, x_sc_Q10 );
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opus_int32 table[ 64 ][ 4 ];
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opus_int32 tmp1;
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opus_int32 q1_Q10, q2_Q10, rd1_Q20, rd2_Q20;
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SAVE_STACK;
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NSQ->rand_seed = psIndices->Seed;
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/* Set unvoiced lag to the previous one, overwrite later for voiced */
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lag = NSQ->lagPrev;
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silk_assert( NSQ->prev_gain_Q16 != 0 );
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offset_Q10 = silk_Quantization_Offsets_Q10[ psIndices->signalType >> 1 ][ psIndices->quantOffsetType ];
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/* 0 */
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q1_Q10 = offset_Q10;
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q2_Q10 = offset_Q10 + ( 1024 - QUANT_LEVEL_ADJUST_Q10 );
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rd1_Q20 = q1_Q10 * Lambda_Q10;
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rd2_Q20 = q2_Q10 * Lambda_Q10;
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table[ 32 ][ 0 ] = q1_Q10;
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table[ 32 ][ 1 ] = q2_Q10;
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table[ 32 ][ 2 ] = 2 * (q1_Q10 - q2_Q10);
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table[ 32 ][ 3 ] = (rd1_Q20 - rd2_Q20) + (q1_Q10 * q1_Q10 - q2_Q10 * q2_Q10);
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/* -1 */
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q1_Q10 = offset_Q10 - ( 1024 - QUANT_LEVEL_ADJUST_Q10 );
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q2_Q10 = offset_Q10;
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rd1_Q20 = - q1_Q10 * Lambda_Q10;
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rd2_Q20 = q2_Q10 * Lambda_Q10;
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table[ 31 ][ 0 ] = q1_Q10;
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table[ 31 ][ 1 ] = q2_Q10;
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table[ 31 ][ 2 ] = 2 * (q1_Q10 - q2_Q10);
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table[ 31 ][ 3 ] = (rd1_Q20 - rd2_Q20) + (q1_Q10 * q1_Q10 - q2_Q10 * q2_Q10);
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/* > 0 */
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for (k = 1; k <= 31; k++)
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{
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tmp1 = offset_Q10 + silk_LSHIFT( k, 10 );
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q1_Q10 = tmp1 - QUANT_LEVEL_ADJUST_Q10;
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q2_Q10 = tmp1 - QUANT_LEVEL_ADJUST_Q10 + 1024;
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rd1_Q20 = q1_Q10 * Lambda_Q10;
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rd2_Q20 = q2_Q10 * Lambda_Q10;
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table[ 32 + k ][ 0 ] = q1_Q10;
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table[ 32 + k ][ 1 ] = q2_Q10;
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table[ 32 + k ][ 2 ] = 2 * (q1_Q10 - q2_Q10);
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table[ 32 + k ][ 3 ] = (rd1_Q20 - rd2_Q20) + (q1_Q10 * q1_Q10 - q2_Q10 * q2_Q10);
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}
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/* < -1 */
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for (k = -32; k <= -2; k++)
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{
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tmp1 = offset_Q10 + silk_LSHIFT( k, 10 );
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q1_Q10 = tmp1 + QUANT_LEVEL_ADJUST_Q10;
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q2_Q10 = tmp1 + QUANT_LEVEL_ADJUST_Q10 + 1024;
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rd1_Q20 = - q1_Q10 * Lambda_Q10;
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rd2_Q20 = - q2_Q10 * Lambda_Q10;
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table[ 32 + k ][ 0 ] = q1_Q10;
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table[ 32 + k ][ 1 ] = q2_Q10;
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table[ 32 + k ][ 2 ] = 2 * (q1_Q10 - q2_Q10);
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table[ 32 + k ][ 3 ] = (rd1_Q20 - rd2_Q20) + (q1_Q10 * q1_Q10 - q2_Q10 * q2_Q10);
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}
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if( psIndices->NLSFInterpCoef_Q2 == 4 ) {
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LSF_interpolation_flag = 0;
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} else {
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LSF_interpolation_flag = 1;
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}
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ALLOC( sLTP_Q15,
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psEncC->ltp_mem_length + psEncC->frame_length, opus_int32 );
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ALLOC( sLTP, psEncC->ltp_mem_length + psEncC->frame_length, opus_int16 );
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ALLOC( x_sc_Q10, psEncC->subfr_length, opus_int32 );
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/* Set up pointers to start of sub frame */
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NSQ->sLTP_shp_buf_idx = psEncC->ltp_mem_length;
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NSQ->sLTP_buf_idx = psEncC->ltp_mem_length;
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pxq = &NSQ->xq[ psEncC->ltp_mem_length ];
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for( k = 0; k < psEncC->nb_subfr; k++ ) {
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A_Q12 = &PredCoef_Q12[ (( k >> 1 ) | ( 1 - LSF_interpolation_flag )) * MAX_LPC_ORDER ];
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B_Q14 = <PCoef_Q14[ k * LTP_ORDER ];
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AR_shp_Q13 = &AR2_Q13[ k * MAX_SHAPE_LPC_ORDER ];
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/* Noise shape parameters */
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silk_assert( HarmShapeGain_Q14[ k ] >= 0 );
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HarmShapeFIRPacked_Q14 = silk_RSHIFT( HarmShapeGain_Q14[ k ], 2 );
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HarmShapeFIRPacked_Q14 |= silk_LSHIFT( (opus_int32)silk_RSHIFT( HarmShapeGain_Q14[ k ], 1 ), 16 );
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NSQ->rewhite_flag = 0;
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if( psIndices->signalType == TYPE_VOICED ) {
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/* Voiced */
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lag = pitchL[ k ];
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/* Re-whitening */
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if( ( k & ( 3 - silk_LSHIFT( LSF_interpolation_flag, 1 ) ) ) == 0 ) {
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/* Rewhiten with new A coefs */
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start_idx = psEncC->ltp_mem_length - lag - psEncC->predictLPCOrder - LTP_ORDER / 2;
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celt_assert( start_idx > 0 );
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silk_LPC_analysis_filter( &sLTP[ start_idx ], &NSQ->xq[ start_idx + k * psEncC->subfr_length ],
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A_Q12, psEncC->ltp_mem_length - start_idx, psEncC->predictLPCOrder, psEncC->arch );
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NSQ->rewhite_flag = 1;
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NSQ->sLTP_buf_idx = psEncC->ltp_mem_length;
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}
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}
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silk_nsq_scale_states_sse4_1( psEncC, NSQ, x_Q3, x_sc_Q10, sLTP, sLTP_Q15, k, LTP_scale_Q14, Gains_Q16, pitchL, psIndices->signalType );
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if ( opus_likely( ( 10 == psEncC->shapingLPCOrder ) && ( 16 == psEncC->predictLPCOrder) ) )
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{
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silk_noise_shape_quantizer_10_16_sse4_1( NSQ, psIndices->signalType, x_sc_Q10, pulses, pxq, sLTP_Q15, A_Q12, B_Q14,
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AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], Gains_Q16[ k ],
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offset_Q10, psEncC->subfr_length, &(table[32]) );
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}
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else
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{
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silk_noise_shape_quantizer( NSQ, psIndices->signalType, x_sc_Q10, pulses, pxq, sLTP_Q15, A_Q12, B_Q14,
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AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], Gains_Q16[ k ], Lambda_Q10,
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offset_Q10, psEncC->subfr_length, psEncC->shapingLPCOrder, psEncC->predictLPCOrder, psEncC->arch );
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}
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x_Q3 += psEncC->subfr_length;
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pulses += psEncC->subfr_length;
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pxq += psEncC->subfr_length;
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}
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/* Update lagPrev for next frame */
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NSQ->lagPrev = pitchL[ psEncC->nb_subfr - 1 ];
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/* Save quantized speech and noise shaping signals */
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silk_memmove( NSQ->xq, &NSQ->xq[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( opus_int16 ) );
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silk_memmove( NSQ->sLTP_shp_Q14, &NSQ->sLTP_shp_Q14[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( opus_int32 ) );
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RESTORE_STACK;
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}
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/***********************************/
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/* silk_noise_shape_quantizer_10_16 */
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/***********************************/
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static OPUS_INLINE void silk_noise_shape_quantizer_10_16_sse4_1(
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silk_nsq_state *NSQ, /* I/O NSQ state */
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opus_int signalType, /* I Signal type */
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const opus_int32 x_sc_Q10[], /* I */
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opus_int8 pulses[], /* O */
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opus_int16 xq[], /* O */
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opus_int32 sLTP_Q15[], /* I/O LTP state */
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const opus_int16 a_Q12[], /* I Short term prediction coefs */
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const opus_int16 b_Q14[], /* I Long term prediction coefs */
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const opus_int16 AR_shp_Q13[], /* I Noise shaping AR coefs */
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opus_int lag, /* I Pitch lag */
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opus_int32 HarmShapeFIRPacked_Q14, /* I */
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opus_int Tilt_Q14, /* I Spectral tilt */
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opus_int32 LF_shp_Q14, /* I */
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opus_int32 Gain_Q16, /* I */
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opus_int offset_Q10, /* I */
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opus_int length, /* I Input length */
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opus_int32 table[][4] /* I */
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)
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{
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opus_int i;
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opus_int32 LTP_pred_Q13, LPC_pred_Q10, n_AR_Q12, n_LTP_Q13;
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opus_int32 n_LF_Q12, r_Q10, q1_Q0, q1_Q10, q2_Q10;
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opus_int32 exc_Q14, LPC_exc_Q14, xq_Q14, Gain_Q10;
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opus_int32 tmp1, tmp2, sLF_AR_shp_Q14;
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opus_int32 *psLPC_Q14, *shp_lag_ptr, *pred_lag_ptr;
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__m128i xmm_tempa, xmm_tempb;
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__m128i xmm_one;
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__m128i psLPC_Q14_hi_01234567, psLPC_Q14_hi_89ABCDEF;
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__m128i psLPC_Q14_lo_01234567, psLPC_Q14_lo_89ABCDEF;
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__m128i a_Q12_01234567, a_Q12_89ABCDEF;
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__m128i sAR2_Q14_hi_76543210, sAR2_Q14_lo_76543210;
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__m128i AR_shp_Q13_76543210;
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shp_lag_ptr = &NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - lag + HARM_SHAPE_FIR_TAPS / 2 ];
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pred_lag_ptr = &sLTP_Q15[ NSQ->sLTP_buf_idx - lag + LTP_ORDER / 2 ];
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Gain_Q10 = silk_RSHIFT( Gain_Q16, 6 );
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/* Set up short term AR state */
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psLPC_Q14 = &NSQ->sLPC_Q14[ NSQ_LPC_BUF_LENGTH - 1 ];
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sLF_AR_shp_Q14 = NSQ->sLF_AR_shp_Q14;
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xq_Q14 = psLPC_Q14[ 0 ];
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LTP_pred_Q13 = 0;
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/* load a_Q12 */
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xmm_one = _mm_set_epi8( 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14 );
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/* load a_Q12[0] - a_Q12[7] */
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a_Q12_01234567 = _mm_loadu_si128( (__m128i *)(&a_Q12[ 0 ] ) );
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/* load a_Q12[ 8 ] - a_Q12[ 15 ] */
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a_Q12_89ABCDEF = _mm_loadu_si128( (__m128i *)(&a_Q12[ 8 ] ) );
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a_Q12_01234567 = _mm_shuffle_epi8( a_Q12_01234567, xmm_one );
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a_Q12_89ABCDEF = _mm_shuffle_epi8( a_Q12_89ABCDEF, xmm_one );
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/* load AR_shp_Q13 */
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AR_shp_Q13_76543210 = _mm_loadu_si128( (__m128i *)(&AR_shp_Q13[0] ) );
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/* load psLPC_Q14 */
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xmm_one = _mm_set_epi8(15, 14, 11, 10, 7, 6, 3, 2, 13, 12, 9, 8, 5, 4, 1, 0 );
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xmm_tempa = _mm_loadu_si128( (__m128i *)(&psLPC_Q14[-16]) );
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xmm_tempb = _mm_loadu_si128( (__m128i *)(&psLPC_Q14[-12]) );
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xmm_tempa = _mm_shuffle_epi8( xmm_tempa, xmm_one );
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xmm_tempb = _mm_shuffle_epi8( xmm_tempb, xmm_one );
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psLPC_Q14_hi_89ABCDEF = _mm_unpackhi_epi64( xmm_tempa, xmm_tempb );
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psLPC_Q14_lo_89ABCDEF = _mm_unpacklo_epi64( xmm_tempa, xmm_tempb );
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xmm_tempa = _mm_loadu_si128( (__m128i *)(&psLPC_Q14[ -8 ]) );
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xmm_tempb = _mm_loadu_si128( (__m128i *)(&psLPC_Q14[ -4 ]) );
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xmm_tempa = _mm_shuffle_epi8( xmm_tempa, xmm_one );
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xmm_tempb = _mm_shuffle_epi8( xmm_tempb, xmm_one );
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psLPC_Q14_hi_01234567 = _mm_unpackhi_epi64( xmm_tempa, xmm_tempb );
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psLPC_Q14_lo_01234567 = _mm_unpacklo_epi64( xmm_tempa, xmm_tempb );
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/* load sAR2_Q14 */
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xmm_tempa = _mm_loadu_si128( (__m128i *)(&(NSQ->sAR2_Q14[ 0 ]) ) );
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xmm_tempb = _mm_loadu_si128( (__m128i *)(&(NSQ->sAR2_Q14[ 4 ]) ) );
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xmm_tempa = _mm_shuffle_epi8( xmm_tempa, xmm_one );
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xmm_tempb = _mm_shuffle_epi8( xmm_tempb, xmm_one );
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sAR2_Q14_hi_76543210 = _mm_unpackhi_epi64( xmm_tempa, xmm_tempb );
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sAR2_Q14_lo_76543210 = _mm_unpacklo_epi64( xmm_tempa, xmm_tempb );
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/* prepare 1 in 8 * 16bit */
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xmm_one = _mm_set1_epi16(1);
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for( i = 0; i < length; i++ )
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{
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/* Short-term prediction */
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__m128i xmm_hi_07, xmm_hi_8F, xmm_lo_07, xmm_lo_8F;
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/* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */
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LPC_pred_Q10 = 8; /* silk_RSHIFT( predictLPCOrder, 1 ); */
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/* shift psLPC_Q14 */
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psLPC_Q14_hi_89ABCDEF = _mm_alignr_epi8( psLPC_Q14_hi_01234567, psLPC_Q14_hi_89ABCDEF, 2 );
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psLPC_Q14_lo_89ABCDEF = _mm_alignr_epi8( psLPC_Q14_lo_01234567, psLPC_Q14_lo_89ABCDEF, 2 );
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psLPC_Q14_hi_01234567 = _mm_srli_si128( psLPC_Q14_hi_01234567, 2 );
|
|
psLPC_Q14_lo_01234567 = _mm_srli_si128( psLPC_Q14_lo_01234567, 2 );
|
|
|
|
psLPC_Q14_hi_01234567 = _mm_insert_epi16( psLPC_Q14_hi_01234567, (xq_Q14 >> 16), 7 );
|
|
psLPC_Q14_lo_01234567 = _mm_insert_epi16( psLPC_Q14_lo_01234567, (xq_Q14), 7 );
|
|
|
|
/* high part, use pmaddwd, results in 4 32-bit */
|
|
xmm_hi_07 = _mm_madd_epi16( psLPC_Q14_hi_01234567, a_Q12_01234567 );
|
|
xmm_hi_8F = _mm_madd_epi16( psLPC_Q14_hi_89ABCDEF, a_Q12_89ABCDEF );
|
|
|
|
/* low part, use pmulhw, results in 8 16-bit, note we need simulate unsigned * signed, _mm_srai_epi16(psLPC_Q14_lo_01234567, 15) */
|
|
xmm_tempa = _mm_cmpgt_epi16( _mm_setzero_si128(), psLPC_Q14_lo_01234567 );
|
|
xmm_tempb = _mm_cmpgt_epi16( _mm_setzero_si128(), psLPC_Q14_lo_89ABCDEF );
|
|
|
|
xmm_tempa = _mm_and_si128( xmm_tempa, a_Q12_01234567 );
|
|
xmm_tempb = _mm_and_si128( xmm_tempb, a_Q12_89ABCDEF );
|
|
|
|
xmm_lo_07 = _mm_mulhi_epi16( psLPC_Q14_lo_01234567, a_Q12_01234567 );
|
|
xmm_lo_8F = _mm_mulhi_epi16( psLPC_Q14_lo_89ABCDEF, a_Q12_89ABCDEF );
|
|
|
|
xmm_lo_07 = _mm_add_epi16( xmm_lo_07, xmm_tempa );
|
|
xmm_lo_8F = _mm_add_epi16( xmm_lo_8F, xmm_tempb );
|
|
|
|
xmm_lo_07 = _mm_madd_epi16( xmm_lo_07, xmm_one );
|
|
xmm_lo_8F = _mm_madd_epi16( xmm_lo_8F, xmm_one );
|
|
|
|
/* accumulate */
|
|
xmm_hi_07 = _mm_add_epi32( xmm_hi_07, xmm_hi_8F );
|
|
xmm_lo_07 = _mm_add_epi32( xmm_lo_07, xmm_lo_8F );
|
|
|
|
xmm_hi_07 = _mm_add_epi32( xmm_hi_07, xmm_lo_07 );
|
|
|
|
xmm_hi_07 = _mm_add_epi32( xmm_hi_07, _mm_unpackhi_epi64(xmm_hi_07, xmm_hi_07 ) );
|
|
xmm_hi_07 = _mm_add_epi32( xmm_hi_07, _mm_shufflelo_epi16(xmm_hi_07, 0x0E ) );
|
|
|
|
LPC_pred_Q10 += _mm_cvtsi128_si32( xmm_hi_07 );
|
|
|
|
/* Long-term prediction */
|
|
if ( opus_likely( signalType == TYPE_VOICED ) ) {
|
|
/* Unrolled loop */
|
|
/* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */
|
|
LTP_pred_Q13 = 2;
|
|
{
|
|
__m128i b_Q14_3210, b_Q14_0123, pred_lag_ptr_0123;
|
|
|
|
b_Q14_3210 = OP_CVTEPI16_EPI32_M64( b_Q14 );
|
|
b_Q14_0123 = _mm_shuffle_epi32( b_Q14_3210, 0x1B );
|
|
|
|
/* loaded: [0] [-1] [-2] [-3] */
|
|
pred_lag_ptr_0123 = _mm_loadu_si128( (__m128i *)(&pred_lag_ptr[ -3 ] ) );
|
|
/* shuffle to [-3] [-2] [-1] [0] and to new xmm */
|
|
xmm_tempa = _mm_shuffle_epi32( pred_lag_ptr_0123, 0x1B );
|
|
/*64-bit multiply, a[2] * b[-2], a[0] * b[0] */
|
|
xmm_tempa = _mm_mul_epi32( xmm_tempa, b_Q14_3210 );
|
|
/* right shift 2 bytes (16 bits), zero extended */
|
|
xmm_tempa = _mm_srli_si128( xmm_tempa, 2 );
|
|
|
|
/* a[1] * b[-1], a[3] * b[-3] */
|
|
pred_lag_ptr_0123 = _mm_mul_epi32( pred_lag_ptr_0123, b_Q14_0123 );
|
|
pred_lag_ptr_0123 = _mm_srli_si128( pred_lag_ptr_0123, 2 );
|
|
|
|
pred_lag_ptr_0123 = _mm_add_epi32( pred_lag_ptr_0123, xmm_tempa );
|
|
/* equal shift right 8 bytes*/
|
|
xmm_tempa = _mm_shuffle_epi32( pred_lag_ptr_0123, _MM_SHUFFLE( 0, 0, 3, 2 ) );
|
|
xmm_tempa = _mm_add_epi32( xmm_tempa, pred_lag_ptr_0123 );
|
|
|
|
LTP_pred_Q13 += _mm_cvtsi128_si32( xmm_tempa );
|
|
|
|
LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -4 ], b_Q14[ 4 ] );
|
|
pred_lag_ptr++;
|
|
}
|
|
}
|
|
|
|
/* Noise shape feedback */
|
|
NSQ->sAR2_Q14[ 9 ] = NSQ->sAR2_Q14[ 8 ];
|
|
NSQ->sAR2_Q14[ 8 ] = _mm_cvtsi128_si32( _mm_srli_si128(_mm_unpackhi_epi16( sAR2_Q14_lo_76543210, sAR2_Q14_hi_76543210 ), 12 ) );
|
|
|
|
sAR2_Q14_hi_76543210 = _mm_slli_si128( sAR2_Q14_hi_76543210, 2 );
|
|
sAR2_Q14_lo_76543210 = _mm_slli_si128( sAR2_Q14_lo_76543210, 2 );
|
|
|
|
sAR2_Q14_hi_76543210 = _mm_insert_epi16( sAR2_Q14_hi_76543210, (xq_Q14 >> 16), 0 );
|
|
sAR2_Q14_lo_76543210 = _mm_insert_epi16( sAR2_Q14_lo_76543210, (xq_Q14), 0 );
|
|
|
|
/* high part, use pmaddwd, results in 4 32-bit */
|
|
xmm_hi_07 = _mm_madd_epi16( sAR2_Q14_hi_76543210, AR_shp_Q13_76543210 );
|
|
|
|
/* low part, use pmulhw, results in 8 16-bit, note we need simulate unsigned * signed,_mm_srai_epi16(sAR2_Q14_lo_76543210, 15) */
|
|
xmm_tempa = _mm_cmpgt_epi16( _mm_setzero_si128(), sAR2_Q14_lo_76543210 );
|
|
xmm_tempa = _mm_and_si128( xmm_tempa, AR_shp_Q13_76543210 );
|
|
|
|
xmm_lo_07 = _mm_mulhi_epi16( sAR2_Q14_lo_76543210, AR_shp_Q13_76543210 );
|
|
xmm_lo_07 = _mm_add_epi16( xmm_lo_07, xmm_tempa );
|
|
|
|
xmm_lo_07 = _mm_madd_epi16( xmm_lo_07, xmm_one );
|
|
|
|
/* accumulate */
|
|
xmm_hi_07 = _mm_add_epi32( xmm_hi_07, xmm_lo_07 );
|
|
|
|
xmm_hi_07 = _mm_add_epi32( xmm_hi_07, _mm_unpackhi_epi64(xmm_hi_07, xmm_hi_07 ) );
|
|
xmm_hi_07 = _mm_add_epi32( xmm_hi_07, _mm_shufflelo_epi16(xmm_hi_07, 0x0E ) );
|
|
|
|
n_AR_Q12 = 5 + _mm_cvtsi128_si32( xmm_hi_07 );
|
|
|
|
n_AR_Q12 = silk_SMLAWB( n_AR_Q12, NSQ->sAR2_Q14[ 8 ], AR_shp_Q13[ 8 ] );
|
|
n_AR_Q12 = silk_SMLAWB( n_AR_Q12, NSQ->sAR2_Q14[ 9 ], AR_shp_Q13[ 9 ] );
|
|
|
|
n_AR_Q12 = silk_LSHIFT32( n_AR_Q12, 1 ); /* Q11 -> Q12 */
|
|
n_AR_Q12 = silk_SMLAWB( n_AR_Q12, sLF_AR_shp_Q14, Tilt_Q14 );
|
|
|
|
n_LF_Q12 = silk_SMULWB( NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - 1 ], LF_shp_Q14 );
|
|
n_LF_Q12 = silk_SMLAWT( n_LF_Q12, sLF_AR_shp_Q14, LF_shp_Q14 );
|
|
|
|
silk_assert( lag > 0 || signalType != TYPE_VOICED );
|
|
|
|
/* Combine prediction and noise shaping signals */
|
|
tmp1 = silk_SUB32( silk_LSHIFT32( LPC_pred_Q10, 2 ), n_AR_Q12 ); /* Q12 */
|
|
tmp1 = silk_SUB32( tmp1, n_LF_Q12 ); /* Q12 */
|
|
if( lag > 0 ) {
|
|
/* Symmetric, packed FIR coefficients */
|
|
n_LTP_Q13 = silk_SMULWB( silk_ADD32( shp_lag_ptr[ 0 ], shp_lag_ptr[ -2 ] ), HarmShapeFIRPacked_Q14 );
|
|
n_LTP_Q13 = silk_SMLAWT( n_LTP_Q13, shp_lag_ptr[ -1 ], HarmShapeFIRPacked_Q14 );
|
|
n_LTP_Q13 = silk_LSHIFT( n_LTP_Q13, 1 );
|
|
shp_lag_ptr++;
|
|
|
|
tmp2 = silk_SUB32( LTP_pred_Q13, n_LTP_Q13 ); /* Q13 */
|
|
tmp1 = silk_ADD_LSHIFT32( tmp2, tmp1, 1 ); /* Q13 */
|
|
tmp1 = silk_RSHIFT_ROUND( tmp1, 3 ); /* Q10 */
|
|
} else {
|
|
tmp1 = silk_RSHIFT_ROUND( tmp1, 2 ); /* Q10 */
|
|
}
|
|
|
|
r_Q10 = silk_SUB32( x_sc_Q10[ i ], tmp1 ); /* residual error Q10 */
|
|
|
|
/* Generate dither */
|
|
NSQ->rand_seed = silk_RAND( NSQ->rand_seed );
|
|
|
|
/* Flip sign depending on dither */
|
|
tmp2 = -r_Q10;
|
|
if ( NSQ->rand_seed < 0 ) r_Q10 = tmp2;
|
|
|
|
r_Q10 = silk_LIMIT_32( r_Q10, -(31 << 10), 30 << 10 );
|
|
|
|
/* Find two quantization level candidates and measure their rate-distortion */
|
|
q1_Q10 = silk_SUB32( r_Q10, offset_Q10 );
|
|
q1_Q0 = silk_RSHIFT( q1_Q10, 10 );
|
|
|
|
q1_Q10 = table[q1_Q0][0];
|
|
q2_Q10 = table[q1_Q0][1];
|
|
|
|
if (r_Q10 * table[q1_Q0][2] - table[q1_Q0][3] < 0)
|
|
{
|
|
q1_Q10 = q2_Q10;
|
|
}
|
|
|
|
pulses[ i ] = (opus_int8)silk_RSHIFT_ROUND( q1_Q10, 10 );
|
|
|
|
/* Excitation */
|
|
exc_Q14 = silk_LSHIFT( q1_Q10, 4 );
|
|
|
|
tmp2 = -exc_Q14;
|
|
if ( NSQ->rand_seed < 0 ) exc_Q14 = tmp2;
|
|
|
|
/* Add predictions */
|
|
LPC_exc_Q14 = silk_ADD_LSHIFT32( exc_Q14, LTP_pred_Q13, 1 );
|
|
xq_Q14 = silk_ADD_LSHIFT32( LPC_exc_Q14, LPC_pred_Q10, 4 );
|
|
|
|
/* Update states */
|
|
psLPC_Q14++;
|
|
*psLPC_Q14 = xq_Q14;
|
|
sLF_AR_shp_Q14 = silk_SUB_LSHIFT32( xq_Q14, n_AR_Q12, 2 );
|
|
|
|
NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx ] = silk_SUB_LSHIFT32( sLF_AR_shp_Q14, n_LF_Q12, 2 );
|
|
sLTP_Q15[ NSQ->sLTP_buf_idx ] = silk_LSHIFT( LPC_exc_Q14, 1 );
|
|
NSQ->sLTP_shp_buf_idx++;
|
|
NSQ->sLTP_buf_idx++;
|
|
|
|
/* Make dither dependent on quantized signal */
|
|
NSQ->rand_seed = silk_ADD32_ovflw( NSQ->rand_seed, pulses[ i ] );
|
|
}
|
|
|
|
NSQ->sLF_AR_shp_Q14 = sLF_AR_shp_Q14;
|
|
|
|
/* Scale XQ back to normal level before saving */
|
|
psLPC_Q14 = &NSQ->sLPC_Q14[ NSQ_LPC_BUF_LENGTH ];
|
|
|
|
/* write back sAR2_Q14 */
|
|
xmm_tempa = _mm_unpackhi_epi16( sAR2_Q14_lo_76543210, sAR2_Q14_hi_76543210 );
|
|
xmm_tempb = _mm_unpacklo_epi16( sAR2_Q14_lo_76543210, sAR2_Q14_hi_76543210 );
|
|
_mm_storeu_si128( (__m128i *)(&NSQ->sAR2_Q14[ 4 ]), xmm_tempa );
|
|
_mm_storeu_si128( (__m128i *)(&NSQ->sAR2_Q14[ 0 ]), xmm_tempb );
|
|
|
|
/* xq[ i ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( silk_SMULWW( psLPC_Q14[ i ], Gain_Q10 ), 8 ) ); */
|
|
{
|
|
__m128i xmm_Gain_Q10;
|
|
__m128i xmm_xq_Q14_3210, xmm_xq_Q14_x3x1, xmm_xq_Q14_7654, xmm_xq_Q14_x7x5;
|
|
|
|
/* prepare (1 << 7) in packed 4 32-bits */
|
|
xmm_tempa = _mm_set1_epi32( (1 << 7) );
|
|
|
|
/* prepare Gain_Q10 in packed 4 32-bits */
|
|
xmm_Gain_Q10 = _mm_set1_epi32( Gain_Q10 );
|
|
|
|
/* process xq */
|
|
for (i = 0; i < length - 7; i += 8)
|
|
{
|
|
xmm_xq_Q14_3210 = _mm_loadu_si128( (__m128i *)(&(psLPC_Q14[ i + 0 ] ) ) );
|
|
xmm_xq_Q14_7654 = _mm_loadu_si128( (__m128i *)(&(psLPC_Q14[ i + 4 ] ) ) );
|
|
|
|
/* equal shift right 4 bytes*/
|
|
xmm_xq_Q14_x3x1 = _mm_shuffle_epi32( xmm_xq_Q14_3210, _MM_SHUFFLE( 0, 3, 2, 1 ) );
|
|
/* equal shift right 4 bytes*/
|
|
xmm_xq_Q14_x7x5 = _mm_shuffle_epi32( xmm_xq_Q14_7654, _MM_SHUFFLE( 0, 3, 2, 1 ) );
|
|
|
|
xmm_xq_Q14_3210 = _mm_mul_epi32( xmm_xq_Q14_3210, xmm_Gain_Q10 );
|
|
xmm_xq_Q14_x3x1 = _mm_mul_epi32( xmm_xq_Q14_x3x1, xmm_Gain_Q10 );
|
|
xmm_xq_Q14_7654 = _mm_mul_epi32( xmm_xq_Q14_7654, xmm_Gain_Q10 );
|
|
xmm_xq_Q14_x7x5 = _mm_mul_epi32( xmm_xq_Q14_x7x5, xmm_Gain_Q10 );
|
|
|
|
xmm_xq_Q14_3210 = _mm_srli_epi64( xmm_xq_Q14_3210, 16 );
|
|
xmm_xq_Q14_x3x1 = _mm_slli_epi64( xmm_xq_Q14_x3x1, 16 );
|
|
xmm_xq_Q14_7654 = _mm_srli_epi64( xmm_xq_Q14_7654, 16 );
|
|
xmm_xq_Q14_x7x5 = _mm_slli_epi64( xmm_xq_Q14_x7x5, 16 );
|
|
|
|
xmm_xq_Q14_3210 = _mm_blend_epi16( xmm_xq_Q14_3210, xmm_xq_Q14_x3x1, 0xCC );
|
|
xmm_xq_Q14_7654 = _mm_blend_epi16( xmm_xq_Q14_7654, xmm_xq_Q14_x7x5, 0xCC );
|
|
|
|
/* silk_RSHIFT_ROUND(xq, 8) */
|
|
xmm_xq_Q14_3210 = _mm_add_epi32( xmm_xq_Q14_3210, xmm_tempa );
|
|
xmm_xq_Q14_7654 = _mm_add_epi32( xmm_xq_Q14_7654, xmm_tempa );
|
|
|
|
xmm_xq_Q14_3210 = _mm_srai_epi32( xmm_xq_Q14_3210, 8 );
|
|
xmm_xq_Q14_7654 = _mm_srai_epi32( xmm_xq_Q14_7654, 8 );
|
|
|
|
/* silk_SAT16 */
|
|
xmm_xq_Q14_3210 = _mm_packs_epi32( xmm_xq_Q14_3210, xmm_xq_Q14_7654 );
|
|
|
|
/* save to xq */
|
|
_mm_storeu_si128( (__m128i *)(&xq[ i ] ), xmm_xq_Q14_3210 );
|
|
}
|
|
}
|
|
for ( ; i < length; i++)
|
|
{
|
|
xq[i] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( silk_SMULWW( psLPC_Q14[ i ], Gain_Q10 ), 8 ) );
|
|
}
|
|
|
|
/* Update LPC synth buffer */
|
|
silk_memcpy( NSQ->sLPC_Q14, &NSQ->sLPC_Q14[ length ], NSQ_LPC_BUF_LENGTH * sizeof( opus_int32 ) );
|
|
}
|
|
|
|
static OPUS_INLINE void silk_nsq_scale_states_sse4_1(
|
|
const silk_encoder_state *psEncC, /* I Encoder State */
|
|
silk_nsq_state *NSQ, /* I/O NSQ state */
|
|
const opus_int32 x_Q3[], /* I input in Q3 */
|
|
opus_int32 x_sc_Q10[], /* O input scaled with 1/Gain */
|
|
const opus_int16 sLTP[], /* I re-whitened LTP state in Q0 */
|
|
opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */
|
|
opus_int subfr, /* I subframe number */
|
|
const opus_int LTP_scale_Q14, /* I */
|
|
const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */
|
|
const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */
|
|
const opus_int signal_type /* I Signal type */
|
|
)
|
|
{
|
|
opus_int i, lag;
|
|
opus_int32 gain_adj_Q16, inv_gain_Q31, inv_gain_Q23;
|
|
__m128i xmm_inv_gain_Q23, xmm_x_Q3_x2x0, xmm_x_Q3_x3x1;
|
|
|
|
lag = pitchL[ subfr ];
|
|
inv_gain_Q31 = silk_INVERSE32_varQ( silk_max( Gains_Q16[ subfr ], 1 ), 47 );
|
|
silk_assert( inv_gain_Q31 != 0 );
|
|
|
|
/* Calculate gain adjustment factor */
|
|
if( Gains_Q16[ subfr ] != NSQ->prev_gain_Q16 ) {
|
|
gain_adj_Q16 = silk_DIV32_varQ( NSQ->prev_gain_Q16, Gains_Q16[ subfr ], 16 );
|
|
} else {
|
|
gain_adj_Q16 = (opus_int32)1 << 16;
|
|
}
|
|
|
|
/* Scale input */
|
|
inv_gain_Q23 = silk_RSHIFT_ROUND( inv_gain_Q31, 8 );
|
|
|
|
/* prepare inv_gain_Q23 in packed 4 32-bits */
|
|
xmm_inv_gain_Q23 = _mm_set1_epi32(inv_gain_Q23);
|
|
|
|
for( i = 0; i < psEncC->subfr_length - 3; i += 4 ) {
|
|
xmm_x_Q3_x2x0 = _mm_loadu_si128( (__m128i *)(&(x_Q3[ i ] ) ) );
|
|
|
|
/* equal shift right 4 bytes*/
|
|
xmm_x_Q3_x3x1 = _mm_shuffle_epi32( xmm_x_Q3_x2x0, _MM_SHUFFLE( 0, 3, 2, 1 ) );
|
|
|
|
xmm_x_Q3_x2x0 = _mm_mul_epi32( xmm_x_Q3_x2x0, xmm_inv_gain_Q23 );
|
|
xmm_x_Q3_x3x1 = _mm_mul_epi32( xmm_x_Q3_x3x1, xmm_inv_gain_Q23 );
|
|
|
|
xmm_x_Q3_x2x0 = _mm_srli_epi64( xmm_x_Q3_x2x0, 16 );
|
|
xmm_x_Q3_x3x1 = _mm_slli_epi64( xmm_x_Q3_x3x1, 16 );
|
|
|
|
xmm_x_Q3_x2x0 = _mm_blend_epi16( xmm_x_Q3_x2x0, xmm_x_Q3_x3x1, 0xCC );
|
|
|
|
_mm_storeu_si128( (__m128i *)(&(x_sc_Q10[ i ] ) ), xmm_x_Q3_x2x0 );
|
|
}
|
|
|
|
for( ; i < psEncC->subfr_length; i++ ) {
|
|
x_sc_Q10[ i ] = silk_SMULWW( x_Q3[ i ], inv_gain_Q23 );
|
|
}
|
|
|
|
/* Save inverse gain */
|
|
NSQ->prev_gain_Q16 = Gains_Q16[ subfr ];
|
|
|
|
/* After rewhitening the LTP state is un-scaled, so scale with inv_gain_Q16 */
|
|
if( NSQ->rewhite_flag ) {
|
|
if( subfr == 0 ) {
|
|
/* Do LTP downscaling */
|
|
inv_gain_Q31 = silk_LSHIFT( silk_SMULWB( inv_gain_Q31, LTP_scale_Q14 ), 2 );
|
|
}
|
|
for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) {
|
|
silk_assert( i < MAX_FRAME_LENGTH );
|
|
sLTP_Q15[ i ] = silk_SMULWB( inv_gain_Q31, sLTP[ i ] );
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}
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}
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|
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/* Adjust for changing gain */
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if( gain_adj_Q16 != (opus_int32)1 << 16 ) {
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/* Scale long-term shaping state */
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__m128i xmm_gain_adj_Q16, xmm_sLTP_shp_Q14_x2x0, xmm_sLTP_shp_Q14_x3x1;
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/* prepare gain_adj_Q16 in packed 4 32-bits */
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xmm_gain_adj_Q16 = _mm_set1_epi32(gain_adj_Q16);
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|
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for( i = NSQ->sLTP_shp_buf_idx - psEncC->ltp_mem_length; i < NSQ->sLTP_shp_buf_idx - 3; i += 4 )
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{
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xmm_sLTP_shp_Q14_x2x0 = _mm_loadu_si128( (__m128i *)(&(NSQ->sLTP_shp_Q14[ i ] ) ) );
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/* equal shift right 4 bytes*/
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xmm_sLTP_shp_Q14_x3x1 = _mm_shuffle_epi32( xmm_sLTP_shp_Q14_x2x0, _MM_SHUFFLE( 0, 3, 2, 1 ) );
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xmm_sLTP_shp_Q14_x2x0 = _mm_mul_epi32( xmm_sLTP_shp_Q14_x2x0, xmm_gain_adj_Q16 );
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xmm_sLTP_shp_Q14_x3x1 = _mm_mul_epi32( xmm_sLTP_shp_Q14_x3x1, xmm_gain_adj_Q16 );
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|
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xmm_sLTP_shp_Q14_x2x0 = _mm_srli_epi64( xmm_sLTP_shp_Q14_x2x0, 16 );
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xmm_sLTP_shp_Q14_x3x1 = _mm_slli_epi64( xmm_sLTP_shp_Q14_x3x1, 16 );
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|
|
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xmm_sLTP_shp_Q14_x2x0 = _mm_blend_epi16( xmm_sLTP_shp_Q14_x2x0, xmm_sLTP_shp_Q14_x3x1, 0xCC );
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|
|
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_mm_storeu_si128( (__m128i *)(&(NSQ->sLTP_shp_Q14[ i ] ) ), xmm_sLTP_shp_Q14_x2x0 );
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}
|
|
|
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for( ; i < NSQ->sLTP_shp_buf_idx; i++ ) {
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NSQ->sLTP_shp_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sLTP_shp_Q14[ i ] );
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|
}
|
|
|
|
/* Scale long-term prediction state */
|
|
if( signal_type == TYPE_VOICED && NSQ->rewhite_flag == 0 ) {
|
|
for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) {
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|
sLTP_Q15[ i ] = silk_SMULWW( gain_adj_Q16, sLTP_Q15[ i ] );
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}
|
|
}
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|
|
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NSQ->sLF_AR_shp_Q14 = silk_SMULWW( gain_adj_Q16, NSQ->sLF_AR_shp_Q14 );
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|
|
|
/* Scale short-term prediction and shaping states */
|
|
for( i = 0; i < NSQ_LPC_BUF_LENGTH; i++ ) {
|
|
NSQ->sLPC_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sLPC_Q14[ i ] );
|
|
}
|
|
for( i = 0; i < MAX_SHAPE_LPC_ORDER; i++ ) {
|
|
NSQ->sAR2_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sAR2_Q14[ i ] );
|
|
}
|
|
}
|
|
}
|